[Checkins] [zopefoundation/z3c.checkversions] a15205: Modernize Python versions.

[Jürgen Gmach]

  Branch: refs/heads/modernize-python
  Home:   https://github.com/zopefoundation/z3c.checkversions
  Commit: a152053c89d4e2bcdeb1129f90f0651e82ff5347
      https://github.com/zopefoundation/z3c.checkversions/commit/a152053c89d4e2bcdeb1129f90f0651e82ff5347
  Author: Jürgen Gmach <juergen.gmach at googlemail.com>
  Date:   2019-10-02 (Wed, 02 Oct 2019)

  Changed paths:
    M .travis.yml
    M CHANGES.rst
    M setup.py
    M tox.ini

  Log Message:
  -----------
  Modernize Python versions.

- drop support for Python 3.4
- add support for Python 3.8

modified:   .travis.yml
modified:   CHANGES.rst
modified:   setup.py
modified:   tox.ini